Brake fluid
#2
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Joined: Mar 2004
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From: North NJ
2002 C32 AMG, 2013 GLK 350/4, 2015 E63S AMG Wagon
It depends on the quality of your fluid. If it is fresh (new) then it should be around 500*F, but if it is old and has even 3% of water, then it would be around 350*F. These are general DOT4 fluid ISO Class 6 type numbers.